More than likely due to the heat generated.
why are engine blocks maid of cast iron
Cast iron engine blocks, heads, exhaust manifolds, differential housings,
Cast iron aluminum
It is lighter than cast iron
Cast iron contains iron based elements that are used to 'cast' any componants such as cookery pots, pans and also any engine parts such as engine blocks, heads as well as a host of other things
Almost everything that is called 'cast' such as; cast iron pots, cast iron centrplate (some boats use them). Until relatively recently, all engine blocks were cast iron. Most diesel engines are still cast iron.
Some cars have Cast Iron engine blocks, but nowadays vehicle manufacturers don't really use a lot of iron as its heavy as ****
Engine blocks are generally made of cast iron, but they are also made of other materials like aluminum and magnisium. When using softer materials for engine blocks the cylinders are lined with steel sleeves to minimize wear.
In terms of less weight , Yes!!! In terms of thermal capacity ; NO. !!! Iron melts at a much higher temperature than aluminium. The high temperatures in an internal combustion engine do not damage the metal iron, in the same way as they can with aluminium. Aluminium can burst into flames at about 900 oC.
Grey cast iron is commonly used for engine blocks due to its excellent castability, good wear resistance, and ability to dampen vibrations, which enhances engine performance and longevity. Its graphite structure provides effective thermal conductivity, helping to manage engine heat. Additionally, grey cast iron is relatively cost-effective and offers sufficient strength and rigidity to withstand the stresses encountered during engine operation.
they don't call the 2.5 the "iron duke" for nothing. it's an cast iron block, cast iron head.
Copper, Aluminum, Brass, Stainless Steel, Aluminum Cans, Appliances, Batteries, Engine Blocks, Transmissions, Tin, Steel, Cast Iron, and cars/trucks
The brittle kind of iron used for making engine blocks and manhole covers is called "ductile iron" or "nodular iron." This material is known for its excellent castability, strength, and wear resistance. Its unique properties make it suitable for heavy-duty applications where durability is essential.